The neon haze of Seoul's Gangnam district clung to the night air as Ryu Kang-woo and Kwon Seung-jin stepped out of Eclipse, their flagship club. The bass still throbbed faintly behind the blacked-out doors, but outside it was quieter—rain-slick streets reflecting red and violet signs. Kang-woo adjusted his cufflinks, eyes scanning the sidewalk ...Read more